The American Heritage® Dictionary of the English Language, 4th Edition
n. A synthetic polymeric resin of a class resistant to high temperatures, wear, and corrosion, used primarily as a coating or film on a substrate substance.
n. Any polymer whose monomers are imides; used to make high-temperature resins
Word Usage
"Thanks to flexibility provided by the polyimide film the mono-logger done with printable electronics is easier to install inside the boot than the old version."